1. 1998. The Cambridge Encyclopedia of Human Paleopathology. Cambridge University Press: Cambridge, UK.
2. 1994. Developmental Defects of the Axial Skeleton in Paleopathology. University Press of Colorado: Niwot, Colorado.
3. 1968. Congenital malformations of the skeleton in earlier man. In The Skeletal Biology of Earlier Human Populations, (ed.). Pergamon Press: London.
4. Segregation analysis of Alagille syndrome.
5. Diastematomyelia--the "double-barrelled" spine